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About us

CSDC since 1987 selling New & Used Computer Systems & Parts. Depot Repair service, and full service shop for Computers, Printers, Monitors, & Assembly s. Factory Assembly Service over 12,000 Units sold under our FDM name. Located just outside of Washington DC. Since 2000 we have been active on Ebay with CSDCONLINE. Now specializing in school surplus electronics, audio visual, antique radios,cameras, toy trains, ham radios, vintage Vacuum tubes, & electronic lab- test equipment.
Location: United StatesMember since: Oct 14, 2000Seller: csdconline
Top Rated SellerCSDC Computer Service is one of eBay's most reputable sellers. Consistently delivers outstanding customer service Learn more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (9,554)

  • 0***9 (15)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Received item as described very quickly and in great shape, packaged very carefully and at a great price. Highly recommend this seller. Ordered the wrong thing though, which was my fault. Seller was even kind enough to offer a partial refund without needing to return the item.
  • n***z (1866)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    WOW! I am really impressed with these beautiful S.G. Brown headphones that I purchased from this seller. They arrived much quicker than expected & were very well packaged to prevent any damage during transit to my address in Australia. I asked questions & got good answers from this seller. I tested these headphones & they work perfectly. I thoroughly recommend this seller & I would definitely shop from their store again.
  • 6***4 (68)- Feedback left by buyer.
    Past month
    Verified purchase
    This transistor meter is a transistor measuring instrument that allows you to analyze and diagnose a transistor's entire circuit, allowing you to perform a dynamic analysis of the amplifier's behavior under all observation conditions the instrument can handle. The price was reasonable, and it's in good condition. Shipping was somewhat expensive due to the distance from the US. It was very well packaged and in good condition, without damage. Everything is as described. Everything went smoothly,
  • e***e (257)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Excellent EBayer -- promptly shipped and item described accurately. The seller was also very good in communication as soon as I ordered the items. They also have an excellent policy of make goods if there are any defects noted. Thanks so much Frank! Keep up the good work.
  • t***d (487)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great seller and highly recommend. Item is better than the description and is in like new condition. Seller communication is excellent, packaging was excellent and more than fair shipping cost. As with the other items the seller has listed , you get great value for the money.
  • m***h (255)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    These tubes NIB as described. Tested very high on my calibrated tester, all printing/writing on every tube is intact. Even the boxes are almost perfect! Very well packaged for shipment, shipped and arrived very quickly and safely. Probably the easiest and best transaction I've ever had here. Thanks very much for the easily 5-star deal, Frank! Hope to buy again.

About us

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